834078 has 24 divisors (see below), whose sum is σ = 1941192. Its totient is φ = 238224.

The previous prime is 834059. The next prime is 834107. The reversal of 834078 is 870438.

It is a super-2 number, since 2×834078² = 1391372220168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

834078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1125 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (80883).

2⁸³⁴⁰⁷⁸ is an apocalyptic number.

834078 is an abundant number, since it is smaller than the sum of its proper divisors (1107114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834078 is a wasteful number, since it uses less digits than its factorization.

834078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 834078 is about 913.2787088288. The cubic root of 834078 is about 94.1316248695.

The spelling of 834078 in words is "eight hundred thirty-four thousand, seventy-eight".